Adding upstream version 14.2.21.upstream/14.2.21upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 83 insertions, 0 deletions

diff --git a/src/include/uuid.h b/src/include/uuid.h
new file mode 100644
index 00000000..f957f87a
--- /dev/null
+++ b/src/include/uuid.h
@@ -0,0 +1,83 @@
+#ifndef _CEPH_UUID_H
+#define _CEPH_UUID_H
+
+/*
+ * Thin C++ wrapper around libuuid.
+ */
+
+#include "encoding.h"
+
+#include <ostream>
+#include <random>
+
+#include <boost/uuid/uuid.hpp>
+#include <boost/uuid/uuid_generators.hpp>
+#include <boost/uuid/uuid_io.hpp>
+
+struct uuid_d {
+  boost::uuids::uuid uuid;
+
+  uuid_d() {
+    boost::uuids::nil_generator gen;
+    uuid = gen();
+  }
+
+  bool is_zero() const {
+    return uuid.is_nil();
+  }
+
+  void generate_random() {
+    std::random_device rng;
+    boost::uuids::basic_random_generator gen(rng);
+    uuid = gen();
+  }
+  
+  bool parse(const char *s) {
+    try {
+      boost::uuids::string_generator gen;
+      uuid = gen(s);
+      return true;
+    } catch (std::runtime_error& e) {
+      return false;
+    }
+  }
+  void print(char *s) const {
+    memcpy(s, boost::uuids::to_string(uuid).c_str(), 37);
+  }
+
+ std::string to_string() const {
+    return boost::uuids::to_string(uuid);
+  }
+
+  char *bytes() const {
+    return (char*)uuid.data;
+  }
+
+  void encode(bufferlist& bl) const {
+    ::encode_raw(uuid, bl);
+  }
+
+  void decode(bufferlist::const_iterator& p) const {
+    ::decode_raw(uuid, p);
+  }
+};
+WRITE_CLASS_ENCODER(uuid_d)
+
+inline std::ostream& operator<<(std::ostream& out, const uuid_d& u) {
+  char b[37];
+  u.print(b);
+  return out << b;
+}
+
+inline bool operator==(const uuid_d& l, const uuid_d& r) {
+  return l.uuid == r.uuid;
+}
+inline bool operator!=(const uuid_d& l, const uuid_d& r) {
+  return l.uuid != r.uuid;
+}
+inline bool operator<(const uuid_d& l, const uuid_d& r) {
+  return l.to_string() < r.to_string();
+}
+
+
+#endif